1
Published: 1985
Superior document: Population studies / Council of Europe 16
2
Published: 1986
Superior document: Les Cahiers de l'Ined, 113.
3
Published: 1980
Superior document: Population et avenir 1980 - Hors série
4
Published: 1997
Superior document: Travaux et recherches de prospective / Futuribles International ... 6